Electrical & Lighting

Used grade "B" under dash wiring harness with fuse panel / block for the Mercury Cougar XR7 and XR7 convertible. This harness may have one or two professional repairs, it is tested and ready to install. We also offer this harness in grade "A" condition for those of you who simply must have the finest original parts money can buy.*NOTE* If you send us your old used under dash harness, you will receive an in store credit of up to $100. Also keep in mind that we buy original under dash harnesses....

Used grade "B" under dash wire harness that is inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have some repairs where the grade "A" harnesses will be rare uncut beauties. This grade "B" harness will function just as well as the grade "A", but it just won't look as good. Often, people get frustrated when removing this harness and cut it at the firewall where it exits to feed the starter solenoid. XR7 and Eliminator share this same under-dash loom.Below...

Used standard grade "A" main under hood wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (after 12/1/1971) with AMP warning light. Not...

Used standard grade "A" under hood main wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, tested, and ready to install. Grade "A" harnesses are rare uncut beauties. 1967 Mercury Cougar Standard models only with AMP warning light. Not compatible with XR7 model Cougar with Ammeter. Ford part # C7WY-14290-J.

Used standard grade "A" main under hood wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "A" harnesses are rare, uncut beauties. Good for 1973 Mercury Cougar Standard models only with AMP warning light. Not compatible with XR7 model Cougar with Ammeter.Ford part # D3WY-14290-A. ...

Used standard grade "B" main under hood wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (before 12/1/1971) with AMP warning light. Not...

Used standard grade "B" main under hood wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar Standard models only (after 12/1/1971) with AMP warning light. Not...

Used standard grade "B" under hood main wiring harness located in the engine compartment. This harness has plugs for the headlights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs where the grade "A" harnesses will be rare uncut beauties. 1967 Mercury Cougar Standard models only with AMP warning light. Not compatible with XR7...

Used standard grade "B" main under hood wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1973 Mercury Cougar Standard models only with AMP warning light. Not compatible with XR7...

Reproduction head light wiring harness for the Mercury Cougar. These are concours quality EXACT reproductions! Every wire, every stripe and connection is exact. We have many good used wiring looms in stock for front, under dash and rear, give us a ring or email for details. Our reproduction harnesses are made by seasoned craftsmen who use only the original Ford drawings and EXACT materials. Many of the connectors are NOS.Replaces Ford part # C7WY-14290-J.

Reproduction under hood wiring harness for the Mercury Cougar. These are concours quality EXACT reproductions! Every wire, every stripe and connection is exact. We have many good used wiring looms in stock for front, under dash and rear, give us a ring or email for details. Our reproduction harnesses are made by seasoned craftsmen who use only the original Ford drawings and EXACT materials. Many of the connectors are NOS.Replaces Ford part # C8WY-14290-A.

Reproduction under hood wiring harness located in the engine compartment. This harness has plugs for head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. 1969 Mercury Cougar Standard models and Ford Mustang with AMP warning light. Not compatible with XR7 model Cougar or Mustang with Ammeter. Replaces Ford part # C9ZZ-14290-R. Fits: 1969 Mercury Cougar Standard 1969 Ford Mustang ...

Used grade "A" XR7 main under hood wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All grade "A" harnesses will be rare uncut beauties. 1968 Mercury Cougar XR7 models with Ammeter only. Not compatible with Standard model Cougar with AMPS warning light.Ford part # C8WY-14290-B.

Used XR7 grade "B" main headlight wiring harness located in the engine compartment. This harness has plugs for the head lights, voltage regulator, starter solenoid, windshield washer pump, and horns. All electrical harnesses are inspected, professionally repaired, tested, and ready to install. Grade "B" harnesses may have one or two repairs as where grade "A" harnesses will be rare uncut beauties. 1972 Mercury Cougar XR7 models (before 12/1/1971) only. Not compatible with Standard model Cougar...

Reproduction under hood wiring harness for the Mercury Cougar. These are concours quality EXACT reproductions! Every wire, every stripe and connection is exact. We have many good used wiring looms in stock for front, under dash and rear, give us a ring or email for details. Our reproduction harnesses are made by seasoned craftsmen who use only the original Ford drawings and EXACT materials. Many of the connectors are NOS.Replaces Ford part # C7WY-14290-H.

NOTE: The firewall grommet does not have the correct gap spacing and will need to be heated and stretched, or cut to make fit. Reproduction under hood wiring harness for the Mercury Cougar. These are concours quality EXACT reproductions! Every wire, every stripe and connection is exact. We have many good used wiring looms in stock for front, under dash and rear, give us a ring or email for details. Our reproduction harnesses are made by seasoned craftsmen who use only the original Ford...

Replaces Ford Part # C9WY-14290-LR. Pictured is a 1969 XR7 under hood wiring harness. These are concours quality EXACT reproductions! Every wire, every stripe and connection is exact. We have many good used wiring looms in stock for front, under dash and rear, give us a ring or email for details. Our reproduction harnesses are made by seasoned craftsmen who use only the original Ford drawings and EXACT materials. Many of the connectors are NOS. *Customer feedback* Mercurycougar.net: I was...

Used headlight solenoid valve for the vacuum headlight system on the Mercury Cougar and Ford Thunderbird. This functional unit is tested and ready to install.  This is the common version with the separate ground wire where very early 1967 Cougars and Thunderbirds did not have that separate ground wire. We won't always have these used units in working condition in inventory. We also sell a rebuilt solenoid here. Ford part # C7SZ-13A161-A. *NOTE* This item will not ship until a rebuildable...

New Old Stock headlight solenoid valve for the vacuum headlight system on the Mercury Cougar and Ford Thunderbird. This functional unit is tested and ready to install.  This is the early solenoid valve without ground wire. Early 1967 Cougars and Thunderbirds did not have that separate ground wire. Has the proper opaque white color for the vacuum switch plastic.  Ford part # C7SZ-13A161-A.

Used headlight solenoid valve for the vacuum headlight system on the Mercury Cougar and Ford Thunderbird. This functional unit is tested and ready to install.  This is the common version with the separate ground wire where very early 1967 Cougars and Thunderbirds did not have that separate ground wire. We won't always have these used units in working condition in inventory. We also sell a rebuilt solenoid here. Ford part # C7SZ-13A161-A. *NOTE* This item will not ship until a rebuildable...

Used shutoff valve for the headlight vacuum system of all 1969-70 Mercury Cougars. Also found on 1969-70 Ford and Mercury full sized cars with hidden headlights. Additionally these were also used on 1969-70 midsized Ford and Mercury such as Torino, Cyclone, also with hide away headlamps. This is a black plastic shutoff switch or connector, 1969 cars used a white valve that crumbled from the under hood heat. Note that the indicator tabs perpendicular to the lines means 'open'. Turning the valve...

These are original amp meters converted from reading amps to reading volts. Includes new matching XR7 overlay made from top quality 3M 467MP and use 200MP adhesive. The longer 200MP adhesive is in place the stronger it binds.  Click here for a article describing the advantages of a Volt Meter.

These are original amp meters converted from reading amps to reading volts. Includes new matching XR7 overlay made from top quality 3M 467MP and use 200MP adhesive. The longer 200MP adhesive is in place the stronger it binds. Optional Volt decal is included. Click here for a article describing the advantages of a Volt Meter. Check out the video below on our new gauge tester: ...

This is the cover only. Great for those wanting to use a reliable modern solid state regulator but look concours. Comes with rivets.Replaces Ford part number C5TF-10316-A (cover only)

This is the cover only. Great for those wanting to use a reliable modern solid state regulator but look concours. Comes with rivets. These were used on 1970 cars starting approximately 9/15/1969 on Non-Air cars, and some A/C cars. Some A/C cars came with one for the 68 A/C Voltage Regulator.Replaces Ford part number D0AF-10316-A (cover only)

Is your 67 - 68 Cougar or Mustang having some electrical problems? Are your dash gauges not working like they used to? If so, you should consider a new voltage regulator. Features & Benefits: - Improved Design for Better Reliability and Accuracy in Heat, Humidity and More- Solid State Electronic Circuitry and Variable Controls- Made of Premium Materials for Durability- Mounts Behind Your Dash GaugesReproduction Constant Voltage Regulator features an improved design that makes it more reliable...

Electronic voltage regulator for use on any 1967-73 Mercury Cougar or Ford Mustang or Ford. Same foot print as originals, cover can be swapped.

Affixes to the back side of your cluster. Far superior to the current reproduction units that are available.Check out the video below on our new gauge tester: ...

We cannot provide new units anymore but we do stand behind this used unit for 30 days.Check out the video below on our new gauge tester: ...

New reproduction instrument panel voltage regulator or IVR for all 1967-68 Mercury Cougar and Ford Mustang. Additionally fits 1967-68 Ford full size, 1966-68 Torino,CycloneMounts to the rear of the instrument clusters, voltage regulator for dash gauges power. Ford part number C6DZ-10804-A.Check out the video below on our new gauge tester: ...

New reproduction instrument panel voltage regulator or IVR for all 1969-73 Mercury Cougar and Ford Mustang. Additionally fits 1969-71 Torino/Cyclone without tachometer, 1969-70 Ford full size, and 1970 and newer Ford Maverick or Mercury Comet. Mounts to the rear of the instrument clusters, voltage regulator for dash gauges power. Features Solid State electronic circuitry. Ford part number C9AZ-10804-A. Note: 12v constant input with a pulsed 5v output. DO NOT power up the voltage regulator...

Features the proper cover and original logos. I A S F stamped on cover. These were used on 1970 cars starting approximately 9/15/1969 on Non-Air cars, and some A/C cars. Some A/C cars came with the 68 A/C Voltage Regulator. Replaces Ford Part #: D0AF-10316-A. The voltage regulators listed in this section are poor quality. We suggest you buy a reliable, modern, solid state unit and just use the cover we sell as a stand alone product. We will not warranty the mechanical voltage regulators you...

This is the cover only. Great for those wanting to use a reliable modern solid state regulator but look concours. Comes with rivets.Replaces Ford part number C8FT-10316-A (cover only)* - Also came on some 70-71 A/C Cars

Voltage regulator for the 1968, 1969, and 1970 manufactured before 9/15/1969 that is not equipped with factory AC. This regulator has "C8AF-10316-A" printed on to it, actual Ford Part number is C3SZ-10316-B or D4TZ-10316-A. This is Ford Regulator Number GR-341. These new voltage regulators are improved and more reliable than the units we've sold previously.

This is the cover only. Great for those wanting to use a reliable modern solid state regulator but look concours. Comes with rivets.Replaces Ford part number C8AF-10316-A (cover only)

Features the proper cover and original logos. I A S F stamped on cover. Replaces Ford Part #: C5TF-10316-A. These new voltage regulators are improved and more reliable than the units we've sold previously. NOTE: There were two versions of this regulator, the black with yellow writing was 55 amps, and the black with silver writing was 44 amps. We do not have a supplier for the black and silver version at the moment.

Features the proper cover and original logos. I A S F stamped on cover.Replaces Ford Part #: C8TF-10316-A.* - Also came on some 70-71 A/C CarsThese new voltage regulators are improved and more reliable than the units we've sold previously.

Features the proper cover and original logos. I A S F stamped on cover. Replaces Ford Part #: D2TF-10316-A. The voltage regulators listed in this section are poor quality. We suggest you buy a reliable, modern, solid state unit and just use the cover we sell as a stand alone product. We will not warranty the mechanical voltage regulators you see here, the quality is poor.

Features the proper cover and original logos. I A S F stamped on cover.Replaces Ford Part #: D3AF-10316-A. These new voltage regulators are improved and more reliable than the units we've sold previously.

Features the proper cover and original logos. I A S F stamped on cover.Replaces Ford Part #: D2AF-10316-A. These new voltage regulators are improved and more reliable than the units we've sold previously.

Starting in 1972 the 'Fasten Seat Belt' warning light was relocated to the center of the dash for visibility of all occupants of the vehicle. This is a tested, and working seatbelt warning light fits into the steel holder on the instrument clusters of all 1972-73 Mercury Cougar and Ford Mustangs.Ford part number D2ZB-10C859-AA. This icon means that we're looking to buy this part!WCCC is a buyer of used and NOS hard to find 67-73 Mercury Cougar parts. Usually we give an in store credit of 50%...

Used Bolt-In Design Passenger Side Power Window Regulator for the 1970 Mercury Cougar

Used Bonded Design Passenger Side Power Window Regulator for the 1969 and 1970 Mercury Cougar

Hard to find driver side regulator, Ford part # D1ZZ-6523209-B.

Good used original regulator. Ford Part #: D1ZZ-6523208-B

Used and reusable backup lamp socket and wiring assembly for the reproduction reverse light chrome housings or to replace a damaged lead in your original 1969-70 Mercury Cougar reverse light. This light socket assembly uses the 1156 bulb. NOTE: These sockets are crimped from the factory and are difficult to remove. When re-installing, there won't be much "meat" left to flare out inside the bezel and you may run into issues with getting a good ground. 

Air Conditioning Clutch Feed Wire that runs along the driver side valve cover to the clutch on the compressor. Fits 1971 Mercury Cougar and Ford Mustang with 351C engines. About 24 inches in total length. Black wire with yellow hash marks. Ford Part #: D1ZB-19A885-B.

Reproduction Dash to Engine Gauge Feed with push-on Post Oil Sender for the 1967 and 1968 Mercury Cougar with the 289 or 302. Red / Green stripe wire = Coil White / Red stripe wire  = Temp Red / White stripe wire = Oil lamp * Note - Verify your oil pressure switch has the connector to accept the push on boot plug. Replaces Ford Part #: C6DZ-14289-BCheck out the video below on our new gauge tester: ...